123550110431453 has 4 divisors (see below), whose sum is σ = 125290252831968. Its totient is φ = 121809968030940.

The previous prime is 123550110431393. The next prime is 123550110431509. The reversal of 123550110431453 is 354134011055321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123550110431453 - 2¹² = 123550110427357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123550110431053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870071200151 + ... + 870071200292.

It is an arithmetic number, because the mean of its divisors is an integer number (31322563207992).

Almost surely, 2^{123550110431453} is an apocalyptic number.

It is an amenable number.

123550110431453 is a deficient number, since it is larger than the sum of its proper divisors (1740142400515).

123550110431453 is an equidigital number, since it uses as much as digits as its factorization.

123550110431453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740142400514.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 123550110431453 its reverse (354134011055321), we get a palindrome (477684121486774).

The spelling of 123550110431453 in words is "one hundred twenty-three trillion, five hundred fifty billion, one hundred ten million, four hundred thirty-one thousand, four hundred fifty-three".